Has Cardano a future?

Could you please elaborate on the potential future prospects of Cardano? Is it a viable option for investors looking to diversify their portfolios? What are the key factors that could drive its growth in the cryptocurrency market? Also, could you discuss any potential challenges or risks associated with investing in Cardano? Would it be advisable for beginners to consider investing in it, or should they opt for more established cryptocurrencies? Thank you for your insights.